| Ales to Oignies | 441.07 mi (709.83 km) |
| Ales to Oissel | 386.99 mi (622.80 km) |
| Ales to Olivet | 278.51 mi (448.22 km) |
| Ales to Ollioules | 111.61 mi (179.63 km) |
| Ales to Olonne-sur-Mer | 329.34 mi (530.01 km) |
| Ales to Oloron-Sainte-Marie | 243.03 mi (391.12 km) |
| Ales to Onet Village | 75.46 mi (121.44 km) |
| Ales to Onnaing | 433.09 mi (697.00 km) |
| Ales to Orange | 36.11 mi (58.11 km) |
| Ales to Orchies | 440.25 mi (708.52 km) |
| Ales to Orleans | 280.82 mi (451.94 km) |
| Ales to Orly | 328.88 mi (529.28 km) |
| Ales to Ormesson-sur-Marne | 330.07 mi (531.20 km) |
| Ales to Orsay | 328.37 mi (528.46 km) |
| Ales to Orthez | 245.92 mi (395.78 km) |
